OpenTechnical

OT-2026-000067868

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000067868) never changes.

Identity and time

Publication numberOT-2026-000067868 · never reused
Internal UUID01a0ae8f-c4fc-7998-a43e-c5cc1a02b44e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067868
StatusPUBLIC

Content hashes

Canonical text2f7ad9a637384b778af79546ab9de517ac7be36eb8c6e6672175cfce0f8ff0c0
Markdown0a718392818338bf24d8d96a629823194798fdb29c262bcb53029e7da47327ba
PDF
Publication page07843747d411b73256ee488d68cc22772e248d2227794d7b91b20f32911b0e01
Manifest9a42c8745f3f97ecd84d5d53bfa8ff48c29b724667bd2f1fe040113c03b787c5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUKOwxXRwXRIaoZKj+Ps/C8glj4fW5P5TmnpvoWVIGnoA0+fsvLFfhd6JBDd3d4GBZh4FCvfDbsOQHxsUJoJYBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:30:15.244965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067868
observed 07843747d411b73256ee488d68cc2277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.225576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067868/manifest.json
observed 9a42c8745f3f97ecd84d5d53bfa8ff48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.207359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067868/publication.md
observed 0a718392818338bf24d8d96a62982319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.188834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067868/publication.txt
observed 2f7ad9a637384b778af79546ab9de517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent